64728625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 88556832

約数和(自身を除く): 23828207

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 653, 793, 1525, 1625, 3265, 3965, 7625, 8489, 16325, 19825, 39833, 42445, 81625, 99125, 199165, 212225, 517829, 995825, 1061125, 2589145, 4979125, 12945725, 64728625]

約数ペア:

[(1, 64728625), (5, 12945725), (13, 4979125), (25, 2589145), (61, 1061125), (65, 995825), (125, 517829), (305, 212225), (325, 199165), (653, 99125), (793, 81625), (1525, 42445), (1625, 39833), (3265, 19825), (3965, 16325), (7625, 8489)]